A seven-million-year-old skull found in Chad sits at the center of a long argument about human origins. The species, ...
A seven-million-year-old fossil may mark the moment our ancestors first stood up and walked.
Scientists have unearthed the remains of Sahelanthropus tchadensis, potentially one of our earliest ancestors. A new analysis ...
It's considered one of the most decisive steps in human evolution. Now, scientists believe they have pinpointed when our ...
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